利用拓扑度理论研究了奇异二阶Neumann边值问题.在有关其线性算子方程对应的第一特征值的条件下得到了边值问题正解及多解的存在性.
By using the method of topology degree, some existence and multiplicity theorems of positive solution for singular second order Netumann boundary value problems are given under some conditions concerning the first eigenvalue of the relevant linear operator.